988557840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:734

約数の個数: 240

約数和(自身を含む): 3528345600

約数和(自身を除く): 2539787760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 127, 144, 152, 171, 180, 190, 228, 240, 254, 285, 304, 342, 360, 380, 381, 456, 508, 569, 570, 635, 684, 720, 760, 762, 855, 912, 1016, 1138, 1140, 1143, 1270, 1368, 1520, 1524, 1707, 1710, 1905, 2032, 2276, 2280, 2286, 2413, 2540, 2736, 2845, 3048, 3414, 3420, 3810, 4552, 4560, 4572, 4826, 5080, 5121, 5690, 5715, 6096, 6828, 6840, 7239, 7620, 8535, 9104, 9144, 9652, 10160, 10242, 10811, 11380, 11430, 12065, 13656, 13680, 14478, 15240, 17070, 18288, 19304, 20484, 21622, 21717, 22760, 22860, 24130, 25605, 27312, 28956, 30480, 32433, 34140, 36195, 38608, 40968, 43244, 43434, 45520, 45720, 48260, 51210, 54055, 57912, 64866, 68280, 72263, 72390, 81936, 86488, 86868, 91440, 96520, 97299, 102420, 108110, 108585, 115824, 129732, 136560, 144526, 144780, 162165, 172976, 173736, 193040, 194598, 204840, 216220, 216789, 217170, 259464, 289052, 289560, 324330, 347472, 361315, 389196, 409680, 432440, 433578, 434340, 486495, 518928, 578104, 579120, 648660, 650367, 722630, 778392, 864880, 867156, 868680, 972990, 1083945, 1156208, 1297320, 1300734, 1372997, 1445260, 1556784, 1734312, 1737360, 1945980, 2167890, 2594640, 2601468, 2745994, 2890520, 3251835, 3468624, 3891960, 4118991, 4335780, 5202936, 5491988, 5781040, 6503670, 6864985, 7783920, 8237982, 8671560, 10405872, 10983976, 12356973, 13007340, 13729970, 16475964, 17343120, 20594955, 21967952, 24713946, 26014680, 27459940, 32951928, 41189910, 49427892, 52029360, 54919880, 61784865, 65903856, 82379820, 98855784, 109839760, 123569730, 164759640, 197711568, 247139460, 329519280, 494278920, 988557840]

約数ペア:

[(1, 988557840), (2, 494278920), (3, 329519280), (4, 247139460), (5, 197711568), (6, 164759640), (8, 123569730), (9, 109839760), (10, 98855784), (12, 82379820), (15, 65903856), (16, 61784865), (18, 54919880), (19, 52029360), (20, 49427892), (24, 41189910), (30, 32951928), (36, 27459940), (38, 26014680), (40, 24713946), (45, 21967952), (48, 20594955), (57, 17343120), (60, 16475964), (72, 13729970), (76, 13007340), (80, 12356973), (90, 10983976), (95, 10405872), (114, 8671560), (120, 8237982), (127, 7783920), (144, 6864985), (152, 6503670), (171, 5781040), (180, 5491988), (190, 5202936), (228, 4335780), (240, 4118991), (254, 3891960), (285, 3468624), (304, 3251835), (342, 2890520), (360, 2745994), (380, 2601468), (381, 2594640), (456, 2167890), (508, 1945980), (569, 1737360), (570, 1734312), (635, 1556784), (684, 1445260), (720, 1372997), (760, 1300734), (762, 1297320), (855, 1156208), (912, 1083945), (1016, 972990), (1138, 868680), (1140, 867156), (1143, 864880), (1270, 778392), (1368, 722630), (1520, 650367), (1524, 648660), (1707, 579120), (1710, 578104), (1905, 518928), (2032, 486495), (2276, 434340), (2280, 433578), (2286, 432440), (2413, 409680), (2540, 389196), (2736, 361315), (2845, 347472), (3048, 324330), (3414, 289560), (3420, 289052), (3810, 259464), (4552, 217170), (4560, 216789), (4572, 216220), (4826, 204840), (5080, 194598), (5121, 193040), (5690, 173736), (5715, 172976), (6096, 162165), (6828, 144780), (6840, 144526), (7239, 136560), (7620, 129732), (8535, 115824), (9104, 108585), (9144, 108110), (9652, 102420), (10160, 97299), (10242, 96520), (10811, 91440), (11380, 86868), (11430, 86488), (12065, 81936), (13656, 72390), (13680, 72263), (14478, 68280), (15240, 64866), (17070, 57912), (18288, 54055), (19304, 51210), (20484, 48260), (21622, 45720), (21717, 45520), (22760, 43434), (22860, 43244), (24130, 40968), (25605, 38608), (27312, 36195), (28956, 34140), (30480, 32433)]